When he had closed the suitcase he found a rag and moved about the room, wiping carefully everything he might have touched.

When the plague hits, the deprivation of this symbol of freedom becomes more pronounced, as the beaches are closed, as is the port.

When closed the altarpiece displayed the four panels of the legend of St. Sebastian ’ s Martyrdom, while the opened wings displayed the Stations of the Cross.

When the key was not in use, that switch was kept closed, so that a signal was continually sent.

When the rest of the line was closed and all passenger services ceased, the section of the line between Cheddar and Yatton remained open for goods traffic.

When frightened, a " full closed grin " causes nearby individuals to be fearful, as well.

When a new junior high school was opened in 1986, the Fairmount High School building was closed for good.

When the border between Spain and Gibraltar was eventually closed by the Spanish dictator in 1969, the newspaper changed its ownership and begun to be published in English.

When he reached the town, he found the school closed for the night.

When it closed in 2002 it said its mission had been successfully achieved.

When the hats are closed, the pressure holding them together can be varied by varying the foot pressure.

When the loop is closed, the system may function as an artificial pancreas.

When a fluid is flowing through a closed channel such as a pipe or between two flat plates, either of two types of flow may occur depending on the velocity of the fluid: laminar flow or turbulent flow.

When the bomb reached the design height for this stage ( reportedly 2, 000 meters ) the membrane closed a circuit, activating the circuit between the radar altimeters and the projectile gun.

When the altimeters sensed the correct height, the firing switch closed, igniting the three BuOrd Mk15, Mod 1 Navy gun primers in the breech plug, which set off the charge consisting of four silk powder bags each containing two pounds of WM slotted-tube cordite.

When the Bank Street ground was temporarily closed by bailiffs in 1902, club captain Harry Stafford raised enough money to pay for the club's next away game at Bristol City and found a temporary ground at Harpurhey for the next reserves game against Padiham.

When considered together, the object and the mass constitute a closed system in which total momentum is conserved.

When the water level is below both switches, the switch contacts are closed providing signals to both the " Low Level " and " High Level " inputs to the PLC.

When not in use, the drawstring could be closed, completely covering the arrows so as to protect them from rain and dirt.

When considering isometry groups, one may restrict oneself to those where for all points the set of images under the isometries is topologically closed.

When a case is closed to the public, the court has to declare the reason.

When theories are studied in mathematics, they are usually expressed in some formal language and their statements are closed under application of certain procedures called rules of inference.

When the throttle is closed, compressed air will flow to the throttle valve without an exit ( i. e., the air has nowhere to go ).

When the network was closed, there were very few, if any, active TACS customers left.

When the bar closed, he found that his entire rig — horse, buggy, and samples — had been stolen.

When the viewfinder was rotated, the scene was viewed through a deep purple filter similar to those used by cinematographers to judge the black and white contrast of an image.

When a Ghyben-Herzberg lens is fully formed, its floating nature will push a freshwater head above mean sea level, and if the island is wide enough, the depth of the lens below mean sea level will be 40 times the height of the water table above sea level.

When it emerges from the specimen, the electron beam carries information about the structure of the specimen that is magnified by the objective lens system of the microscope.

When refracted by a diffraction-limited lens, a Gaussian beam is transformed into another Gaussian beam ( characterized by a different set of parameters ), which explains why it is a convenient, widespread model in laser optics.

When the object is not distant from the lens, however, the image is no longer formed in the lens's focal plane, and the f-number no longer accurately describes the light-gathering ability of the lens or the image-side numerical aperture.

When used with a parabolic reflector or lens antenna, the phase center of the horn is usually placed at the focal point of the reflector, with the 3 dB points of the horn's radiation pattern set to be at the edge of the reflector.

When the lens first contacts the eye, it should be comfortable.

When the camera lens is not removed ( or cannot be removed ) a common method used is afocal photography, also called afocal projection.

When informed that no lens currently had a wide enough aperture to shoot a costume drama set in grand palaces using only candlelight, Kubrick bought and retrofitted a special lens for these purposes: a modified Mitchell BNC camera and a Zeiss lens manufactured for the rigors of space photography, with a maximum aperture of f /. 7.

When a bright light source is shining on the lens but not in its field of view, lens flare appears as a haze that washes out the image and reduces contrast.

When using an anamorphic lens, as is common in analog cinematography, lens flare can manifest itself as a horizontal lines.

Image: Firework with lens flare. jpg | When the subject of a photo is the light source itself, lens flare can be a desirable and dramatic effect.

When projected through a matching fisheye lens onto a dome, the original panoramic view is recreated.

When the Leica launched, this lens was renamed the ELMAX, for E Leitz and MAX Berek.

When the shutter release is pressed, a light-blocking shield lifts and the shutter disc rotates a full turn exposing the film through its open sector ; when the pressure is released the light-blocking shield returns to its position behind the lens, and the spring motor advances the film and recocks the shutter.

When under water, the eyeball's lens serves to focus light, whereas in the in-air environment, the typically bright light serves to contract the specialized pupil, resulting in sharpness from a smaller aperture ( similar to a pinhole camera ).

When we try to focus on far away objects, the ciliary muscles stretch the eye lens, making it thinner, and hence changing the focal length.

When the mirror above the lens is moved too high or too low, it moves out of the best focal distance for an evenly white image, resulting in a projected image with either blue or brown color fringing around the outside edge of the screen.